Objective: To study the chemical constituents of the dichloromethane extract from pine needles of Cedrus deodara.
Methods: The chemical constituents were isolated and purified from the dichloromethane extract of pine needles by chromatography on silica gel and Sephadex LH-20. Their structures were elucidated by analysis of spectral data and chemical properties.
Results: Seven compounds were isolated and their chemical structures were identified as ferulic acid (1), osthole (2), beta-phenylacrylic acid (3), paeonol (4), beta-sitosterol (5), magnolol (6) and honokiol (7).
Conclusion: Compounds 1 - 4, 6 and 7 are isolated from this plant for the first time.
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